Core Java Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Core Java Interview Questions

Questions Answers Views Company eMail

Why do we use string?

790

Which is faster string or stringbuilder?

724

What is %d in printf?

766

What are parsing rules?

746

What are the different types of constructor?

738

What is the synonym of string?

800

What is the difference between integer parseint and integer valueof?

778

What is the use of coding?

744

What are functions in java?

725

What is java and its types?

791

What is difference between ++ I and I ++ in java?

728

what is predefined function in java?

765

What is t in generics in java?

819

What is e java?

787

What are inbuilt functions in java?

810

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Un-Answered Questions { Core Java }

What is sorting in java?

747

List any five features of java?

804

What is proper subset?

772

Explain inner classes ?

893

What is garbage collection? Can it be forced to run?

777

What is the purpose of static methods and static variables?

776

Explain the concept of hashtables?

846

Which is better singleton or static class?

715

When parseint method can be used?

742

What is unmodifiable list in java?

737

What is array in java?

766

How many digits is int32?

746

Where are global variables stored?

714

Difference between linkedlist and arraylist.

826

Is binary a low level language?

714

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